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Series: JTD
JTD Series - UL Class J Time-Delay Fuses
The LittelfuseŽ POWR-PROŽ JTD_ID Indicator Class J fuse provides visual blown fuse indication and maximum protection in a compact package. The compact Class J package was designed specifically for circuits where space is at a premium. The current limiting time delay JTD_ID offers a patented true dual-element design that is ideal for use in circuits with high inrush currents. Superior performance characteristics of JTD_ID Indicator fuses reduce nuisance fuse opening and the blown fuse indication reduces downtime and increases safety.

Applications:
  • Fused combination motor controllers to provide IEC Type II (no damage) motor branch-circuit short-circuit and ground fault protection.
  • Motor control centers
  • Transformer protection
  • Protection for UL Listed series-rated molded case circuit breaker panels
  • General purpose circuits — mains, feeders and branch circuits — especially when space is at a premium.
Features:
  • Reduced down-time — A glance at the indicating window of a JTD_ID indicator fuse pinpoints open fuses immediately. If the window is dark, the fuse has opened. It’s that simple. No fuse testing required. Machine operators can immediately determine that there is an open fuse and request maintenance personnel to bring the proper replacement.
  • Reduce nuisance opening — Indicator fuses have superior time-delay and cycling characteristics they can be used on a variety of applications, thus decreasing fuse inventory.
  • Reduce fuse inventory — Because JTD_ID Indicator fuses have superior performance characteristics they can be used on a variety of applications, thus decreasing fuse inventory.
  • Reduce equipment damage — Indicator fuses provide superior overload and short circuit protection that can reduce equipment damage. Indicator fuses also provide IEC Type II “No Damage” protection to IEC and NEMA type motor starters.
  • Reduce accidents — The JTD_ID Indicator fuse improves safety by minimizing exposure to live circuits. Unlike other forms of blown fuse indication, once the indicator window darkens, it stays dark. It does not matter if the power is on or off or if the fuse is in a toolbox. Other forms of indication requires the power to remain on, which causes a safety hazard for personnel.


Electrical Characteristics

Access specifications, certifications, check availability and order parts below:

Check distributor stock availability by clicking on the [CHECK] link. View certification PDF files by clicking on the certification logo. View the part details by clicking on the part number. To order sample parts, click on the [ADD] link. Click on the 'Key' button to view definitions for each column header. Sort parts by clicking on the column you wish to sort by.


CatalogNo Certs. Amps (A) VAC (V) VDC (V) IR Stock Sample
Cart
JTD.800 0.8 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD001 1 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD002 2 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD003 3 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD004 4 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD005 5 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD006 6 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD007 7 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD008 8 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD009 9 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD01.5 1.5 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD01.6 1.6 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD01.8 1.8 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD010 10 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD012 12 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD015 15 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD02.5 2.5 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD02.8 2.8 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD020 20 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD025 25 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD03.2 3.2 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD03.5 3.5 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD030 30 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD035 35 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD04.5 4.5 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD040 40 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD045 45 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD05.6 5.6 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD050 50 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD060 60 600 300 300000A@600VAC
20000A@300VDC 		[Check] [Add]
JTD070 70 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD080 80 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD090 90 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD1.25 1.25 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD100 100 600 300 300000A@600VAC
20000A@300VDC 		[Check] [Add]
JTD110 110 600 500 20000A@500VDC
300000A@600VAC 		[Check] [Add]
JTD125 125 600 500 20000A@500VDC
300000A@600VAC 		[Check] [Add]
JTD150 150 600 500 20000A@500VDC
300000A@600VAC 		[Check] [Add]
JTD17.5 17.5 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD175 175 600 500 20000A@500VDC
300000A@600VAC 		[Check] [Add]
JTD2.25 2.25 600 300 20000A@300VDC
300000A@600VAC 		[Check] [Add]
JTD200 200 600 500 20000A@500VDC
300000A@600VAC 		[Check] [Add]
JTD225 225 600 500 20000A@500VDC
300000A@600VAC 		[Check] [Add]
JTD250 250 600 500 20000A@500VDC
300000A@600VAC 		[Check] [Add]
JTD300 300 600 500 20000A@500VDC
300000A@600VAC 		[Check] [Add]
JTD350 350 600 500 20000A@500VDC
300000A@600VAC 		[Check] [Add]
JTD400 400 600 500 20000A@500VDC
300000A@600VAC 		[Check] [Add]
JTD450 450 600 500 20000A@500VDC
300000A@600VAC 		[Check] [Add]
JTD500 500 600 500 20000A@500VDC
300000A@600VAC 		[Check] [Add]
JTD600 600 600 500 20000A@500VDC
300000A@600VAC 		[Check] [Add]